GNU bug report logs - #34802
26.1; "Unknown message" when using emacsclient

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: "Lumpe, Jared" <Jared.Lumpe <at> ucsf.edu>
To: "bug-gnu-emacs <at> gnu.org" <bug-gnu-emacs <at> gnu.org>
Subject: 26.1; "Unknown message" when using emacsclient
Date: Sun, 10 Mar 2019 07:48:58 +0000

[Message part 1 (text/plain, inline)]

Hello,

I am encountering an issue when trying to get the value of a long JSON string using emacsclient.
My command looks like "emacsclient -eval '(json-encode <form-that-gets-data>)'" and I am trying to
get the printed result of this command. The issue is that emacsclient is inserting several lines
looking like

    *ERROR*: Unknown message <a few characters from the expected output here>

in the middle of the output. I've managed to reduce this down to the following string of about 1000
characters which recreates the problem:

    :"δ","latin1":"delta","ascii":"delta","html":"&delta;","latex-math-p":true,"latex":"\\delta","name":"delta"},"contents":[]},{"org_element_type":"entity","properties":{"use-brackets-p":false,"end":336,"begin":329,"utf-8":"σ","latin1":"sigma","ascii":"sigma","html":"&sigma;","latex-math-p":true,"latex":"\\sigma","name":"sigma"},"contents":[]},{"org_element_type":"entity","properties":{"use-brackets-p":false,"end":343,"begin":336,"utf-8":"Σ","latin1":"Sigma","ascii":"Sigma","html":"&Sigma;","latex-math-p":true,"latex":"\\Sigma","name":"Sigma"},"contents":[]},{"org_element_type":"entity","properties":{"use-brackets-p":false,"end":350,"begin":343,"utf-8":"Ω","latin1":"Omega","ascii":"Omega","html":"&Omega;","latex-math-p":true,"latex":"\\Omega","name":"Omega"},"contents":[]},{"org_element_type":"entity","properties":{"use-brackets-p":false,"end":356,"begin":350,"utf-8":"ω","latin1":"omega","ascii":"omega","html":"&omega;","latex-math-p":true,"latex":"\\omega","name":"omega"},"contents":[]},@

If I add this to a file and run the following two commands:

    emacs -q -eval "(start-server)" &
    emacsclient -eval '(with-current-buffer (find-file-noselect "/Users/student/tmp/badinput.txt") (princ (substring-no-properties (buffer-string))))'

I get the following output:

    ":\"δ\",\"latin1\":\"delta\",\"ascii\":\"delta\",\"html\":\"&delta;\",\"latex-math-p\":true,\"latex\":\"\\\\delta\",\"name\":\"delta\"},\"contents\":[]},{\"org_element_type\":\"entity\",\"properties\":{\"use-brackets-p\":false,\"end\":336,\"begin\":329,\"utf-8\":\"σ\",\"latin1\":\"sigma\",\"ascii\":\"sigma\",\"html\":\"&sigma;\",\"latex-math-p\":true,\"latex\":\"\\\\sigma\",\"name\":\"sigma\"},\"contents\":[]},{\"org_element_type\":\"entity\",\"properties\":{\"use-brackets-p\":false,\"end\":343,\"begin\":336,\"utf-8\":\"Σ\",\"latin1\":\"Sigma\",\"ascii\":\"Sigma\",\"html\":\"&Sigma;\",\"latex-math-p\":true,\"latex\":\"\\\\Sigma\",\"name\":\"Sigma\"},\"contents\":[]},{\"org_element_type\":\"entity\",\"properties\":{\"use-brackets-p\":false,\"end\":350,\"begin\":343,\"utf-8\":\"Ω\",\"latin1\":\"Omega\",\"ascii\":\"Omega\",\"html\":\"&Omega;\",\"latex-math-p\":true,\"latex\":\"\\\\Omega\",\"name\":\"Omega\"},\"contents\":[]},{\"org_element_type\":\"entity\",\"properties\":{\"use-
    *ERROR*: Unknown message: bra
    ckets-p\":false,\"end\":356,\"begin\":350,\"utf-8\":\"ω\",\"latin1\":\"omega\",\"ascii\":\"omega\",\"html\":\"&omega;\",\"latex-math-p\":true,\"latex\":\"\\\\omega\",\"name\":\"omega\"},\"contents\":[]},"

I am using emacs-plus installed with Homebrew on OSX 10.14. Hopefully this is enough information. Thanks!

-Jared


In GNU Emacs 26.1 (build 1, x86_64-apple-darwin18.0.0, NS appkit-1671.00 Version 10.14 (Build 18A391))
of 2018-10-04 built on d12frosted.local
Windowing system distributor 'Apple', version 10.3.1671
Recent messages:
Auto-evilification could not remap these functions in map ‘org-agenda-mode-map’:
   - ‘org-agenda-filter-remove-all’ originally mapped on ‘|’
org-super-agenda-mode enabled.
Starting a server...
Starting new Ispell process aspell with default dictionary...
Spacemacs is ready.
Loading /Users/student/.emacs.d/.cache/recentf...done
Skipping check for new version (reason: dotfile)
Auto-evilification could not remap these functions in map ‘edebug-mode-map’:
   - ‘edebug-Go-nonstop-mode’ originally mapped on ‘G’

Configured using:
'configure --disable-dependency-tracking --disable-silent-rules
--enable-locallisppath=/usr/local/share/emacs/site-lisp
--infodir=/usr/local/Cellar/emacs-plus/26.1/share/info/emacs
--prefix=/usr/local/Cellar/emacs-plus/26.1 --with-xml2 --without-dbus --with-gnutls
--with-imagemagick --with-modules --with-rsvg --with-ns --disable-ns-self-contained'

Configured features:
JPEG RSVG IMAGEMAGICK NOTIFY ACL GNUTLS LIBXML2 ZLIB TOOLKIT_SCROLL_BARS NS MODULES THREADS LCMS2

Important settings:
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Spacemacs buffer

Minor modes in effect:
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  shell-dirtrack-mode: t
  evil-mode: t
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  xterm-mouse-mode: t
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  page-break-lines-mode: t
  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
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  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

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/Users/student/.emacs.d/elpa/26.1/develop/org-plus-contrib-20190122/ob-plantuml hides /usr/local/Cellar/emacs-plus/26.1/share/emacs/26.1/lisp/org/ob-plantuml
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Memory information:
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[Message part 2 (text/html, inline)]

Message #8 received at 34802 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: bug-gnu-emacs <at> gnu.org, "Lumpe, Jared" <Jared.Lumpe <at> ucsf.edu>,
 34802 <at> debbugs.gnu.org
Subject: Re: bug#34802: 26.1; "Unknown message" when using emacsclient
Date: Sun, 10 Mar 2019 11:46:58 +0200

On March 10, 2019 9:48:58 AM GMT+02:00, "Lumpe, Jared" <Jared.Lumpe <at> ucsf.edu> wrote:
> Hello,
> 
> I am encountering an issue when trying to get the value of a long JSON
> string using emacsclient.
> My command looks like "emacsclient -eval '(json-encode
> <form-that-gets-data>)'" and I am trying to
> get the printed result of this command. The issue is that emacsclient
> is inserting several lines
> looking like
> 
> *ERROR*: Unknown message <a few characters from the expected output
> here>
> 
> in the middle of the output. I've managed to reduce this down to the
> following string of about 1000
> characters which recreates the problem:
> 
> :"δ","latin1":"delta","ascii":"delta","html":"&delta;","latex-math-p":true,"latex":"\\delta","name":"delta"},"contents":[]},{"org_element_type":"entity","properties":{"use-brackets-p":false,"end":336,"begin":329,"utf-8":"σ","latin1":"sigma","ascii":"sigma","html":"&sigma;","latex-math-p":true,"latex":"\\sigma","name":"sigma"},"contents":[]},{"org_element_type":"entity","properties":{"use-brackets-p":false,"end":343,"begin":336,"utf-8":"Σ","latin1":"Sigma","ascii":"Sigma","html":"&Sigma;","latex-math-p":true,"latex":"\\Sigma","name":"Sigma"},"contents":[]},{"org_element_type":"entity","properties":{"use-brackets-p":false,"end":350,"begin":343,"utf-8":"Ω","latin1":"Omega","ascii":"Omega","html":"&Omega;","latex-math-p":true,"latex":"\\Omega","name":"Omega"},"contents":[]},{"org_element_type":"entity","properties":{"use-brackets-p":false,"end":356,"begin":350,"utf-8":"ω","latin1":"omega","ascii":"omega","html":"&omega;","latex-math-p":true,"latex":"\\omega","name":"omega"},"contents":[]},@
> 
> If I add this to a file and run the following two commands:
> 
>     emacs -q -eval "(start-server)" &
> emacsclient -eval '(with-current-buffer (find-file-noselect
> "/Users/student/tmp/badinput.txt") (princ (substring-no-properties
> (buffer-string))))'
> 
> I get the following output:
> 
> ":\"δ\",\"latin1\":\"delta\",\"ascii\":\"delta\",\"html\":\"&delta;\",\"latex-math-p\":true,\"latex\":\"\\\\delta\",\"name\":\"delta\"},\"contents\":[]},{\"org_element_type\":\"entity\",\"properties\":{\"use-brackets-p\":false,\"end\":336,\"begin\":329,\"utf-8\":\"σ\",\"latin1\":\"sigma\",\"ascii\":\"sigma\",\"html\":\"&sigma;\",\"latex-math-p\":true,\"latex\":\"\\\\sigma\",\"name\":\"sigma\"},\"contents\":[]},{\"org_element_type\":\"entity\",\"properties\":{\"use-brackets-p\":false,\"end\":343,\"begin\":336,\"utf-8\":\"Σ\",\"latin1\":\"Sigma\",\"ascii\":\"Sigma\",\"html\":\"&Sigma;\",\"latex-math-p\":true,\"latex\":\"\\\\Sigma\",\"name\":\"Sigma\"},\"contents\":[]},{\"org_element_type\":\"entity\",\"properties\":{\"use-brackets-p\":false,\"end\":350,\"begin\":343,\"utf-8\":\"Ω\",\"latin1\":\"Omega\",\"ascii\":\"Omega\",\"html\":\"&Omega;\",\"latex-math-p\":true,\"latex\":\"\\\\Omega\",\"name\":\"Omega\"},\"contents\":[]},{\"org_element_type\":\"entity\",\"properties\":{\"use-
>     *ERROR*: Unknown message: bra
> ckets-p\":false,\"end\":356,\"begin\":350,\"utf-8\":\"ω\",\"latin1\":\"omega\",\"ascii\":\"omega\",\"html\":\"&omega;\",\"latex-math-p\":true,\"latex\":\"\\\\omega\",\"name\":\"omega\"},\"contents\":[]},"
> 
> I am using emacs-plus installed with Homebrew on OSX 10.14. Hopefully
> this is enough information. Thanks!


Does it help to enlarge server-msg-size?

Message #14 received at 34802 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: "Lumpe\, Jared" <Jared.Lumpe <at> ucsf.edu>
Cc: 34802 <at> debbugs.gnu.org
Subject: Re: bug#34802: 26.1; "Unknown message" when using emacsclient
Date: Mon, 11 Mar 2019 19:48:51 +0200

[Please use Reply All to keep the bug tracker address on the CC list.]

> From: "Lumpe, Jared" <Jared.Lumpe <at> ucsf.edu>
> Date: Mon, 11 Mar 2019 17:33:39 +0000
> 
> Oddly enough, increasing server-msg-size seems to make the problem worse, in that more error messages get printed. I've attached the full string I'm trying to print (still testing by eval-ing a command that visits the file containing the string and does "(princ (buffer-string))"). It's about 9000 characters, but setting server-msg-size to 20000 didn't work. Decreasing it from the default of 1024 seems to affect the number and location of errors printed in a somewhat random way.

Maybe your OS gets in the way.

The error message seemed to say that the long string was cut into
several chunks in the middle of a quoted string, so I suggested to
make server-msg-size larger to avoid this, hoping that the string will
be sent in one chunk.  If that doesn't help, I don't know what to
suggest, because I don't understand what's going on.

Can you show the error message(s) you get with the enlarged
server-msg-size?

Message #17 received at 34802 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 34802 <at> debbugs.gnu.org, "Lumpe, Jared" <Jared.Lumpe <at> ucsf.edu>
Subject: Re: bug#34802: 26.1; "Unknown message" when using emacsclient
Date: Mon, 23 Sep 2019 00:08:58 +0200

Eli Zaretskii <eliz <at> gnu.org> writes:

> Can you show the error message(s) you get with the enlarged
> server-msg-size?

More information was requested, but no response was given within a few
months, so I'm closing this bug report.  If the problem still exists,
please reopen this bug report.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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